Quizz observation of the oceans and seas

Crustacés : Amphipodes (crédit photo : Fabien Lombard)

Amphipode crustacean (Photo : Fabien Lombard)

Instrumented buoy (Photo : Emilie Diamond)

Diatom species Odontella mobiliensis (Photo : Sophie Marro)

Deployment of a profiling float (Photo : Jean-Jacques Pangrazi)

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Pleurobrachia
Propulsées par huit rangées de peignes, les groseilles de mer déploient deux longs tentacules pour pêcher des crustacés.

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The profiling float

Acantharia (Photo : Fabien Lombard)

Dinoflagellate Ceratium arietinum var arietinum (Photo : Sophie Marro)

Diatom genus Cylindrotheca (Photo : Sophie Marro)

Jellyfish Rhizostoma pulmo (Photo : Fabien Lombard)

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The various components of a profiling float type PROVOR

Ostracodes (Photo : Fabien Lombard)

Dinoflagellate Ceratium furca (Photo : Sophie Marro)

Phytoplankton bloom observed in the Barents Sea (North of Norway) in August 2010 by the ocean color sensor MODIS onboard NASA satellite Aqua. Changes in ocean color result from modifications in the phytoplankton composition and concentration. The green colors are likely associated with the presence of diatoms. The shades of light blue result from the occurrence of coccolithophores, phytoplankton organisms that strongly reflect light due to their chalky shells - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)

Coccolithophore (Photo : Sophie Marro)

Copepode Coryceide (Photo : Fabien Lombard)

Instrumented buoy (Photo : David Luquet)

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Sea Urchin - Planktonic Origins
Barely visible to the naked eye, sea urchin larvae grow and transform into bottom-dwelling urchins.